AMD Radeon R7 250X vs AMD Radeon RX 550X 640SP

Edit	AMD Radeon R7 250X Check Price	AMD Radeon RX 550X 640SP Check Price

Table of Contents

Graphics Processor
Graphics Card
Clocks
Memory Configuration
Render Configuration
Performance
Dimensions & Outputs
API Support & Features
Other Features

Graphics Processor

GPU model	Cape Verde	Baffin
GPU variant	Cape Verde XT	Baffin LE
Architecture	GCN 1.0	GCN 4.0
Foundry	TSMC	GlobalFoundries
Manufacturing process	28 nm	14 nm
Number of transistors	1,500 million	3,000 million
Die size	123 mm²	123 mm²

Graphics Card

Release date	Feb 13th, 2014	Apr 11th, 2018
Generation	Volcanic Islands	Polaris
Production	End-of-life	Active
Launch price	99 USD	—
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Predecessor	Sea Islands	Polaris
Successor	Pirate Islands	Vega

Clocks

GPU clock	950 MHz	—
Memory clock	1125 MHz 4.5 Gbps effective	1500 MHz 6 Gbps effective
Base clock	—	1019 MHz
Boost clock	—	1071 MHz

Memory Configuration

Memory size	1024 MB	2 GB
Memory type	GDDR5	GDDR5
Memory bus width	128 bit	128 bit
Bandwidth	72.00 GB/s	96.00 GB/s

Render Configuration

Shading units	640	640
TMUs	40	40
ROPs	16	16
Compute units	10	10
Cache L1	16 KB (per CU)	16 KB (per CU)
Cache L2	256 KB	1024 KB

Performance

Pixel rate	15.20 GPixel/s	17.14 GPixel/s
Texture rate	38.00 GTexel/s	42.84 GTexel/s
FP32 (float) performance	1,216 GFLOPS	1,371 GFLOPS
FP64 (double) performance	76.00 GFLOPS (1:16)	85.68 GFLOPS (1:16)
FP16 (half) performance	—	1,371 GFLOPS (1:1)

Dimensions & Outputs

Slot width	Dual-slot	Dual-slot
Length	210 mm 8.3 inches	145 mm 5.7 inches
TDP	80 W	60 W
Suggested PSU	250 W	250 W
Outputs	1x DVI1x HDMI2x mini-DisplayPort	1x DVI1x HDMI1x DisplayPort
Power connectors	1x 6-pin	None
Board number	C441, C698	D090-21

API Support & Features

DirectX	12 (11_1)	12 (12_0)
OpenGL	4.6	4.6
OpenCL	1.2	2.1
Vulkan	1.2	1.2
Shader model	5.1	6.4

Other Features

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